Three new graduates from the H.I.V.E. Academy, Gizmo, Jinx, and Mammoth, are hired by Slade to ambush the Titans. The Titans try to stop them, but Robin is lost during the fight and Titans Tower is taken over by the H.I.V.E. students.

When a mysterious alien probe comes to haul Starfire away, sweet-natured Star has no idea why it came. And when Starfire's sister Blackfire stops by to visit, Starfire just wishes she would leave. Blackfire's wild, cool, and hip-- everything Starfire's not. The other Titans seem to like Blackfire so much, Starfire thinks they won't need her around anymore.

Cinderblock breaks into prison--and the Teen Titans arrive in time to stop a jailbreak. But when Robin and Cyborg's big “sonic boom” maneuver goes awry, the bad guy gets away--and the boys blame each other.

Dark ominous clouds blow in from the east, bringing Thunder and Lightning with them--two forces of nature made flesh in the form of costumed superteens. The stormy brothers aren't evil; they're just looking for a good time.

While playing in the park Cyborg suddenly shuts down. After rebooting he tells the other Titans that his batteries are dying. During a battle with Mumbo, Cyborg's emergency batteries die and he is lost. The Titans believe Mumbo to have kidnapped him, but he has instead been found by a strange man called Fixit.

Raven's creepy tantrum of crackling black energy leaves Dr. Light begging for mercy, and the Titans see a new side of Raven, her temper. But, when Cyborg and Beast Boy find a Mysterious Mirror in Raven's room, they're suddenly transported to a strange nightmare world that's somehow connected to Raven.

Starfire and Raven don't really "get each other." Star doesn't understand Raven's repression, and Raven can't deal with Starfire's emotional outbursts. But when The Puppet King imprisons Robin, Cyborg, and Beast Boy inside wooden puppets and takes control of the boys' bodies. The girls are going to have to understand each other -- if they want to survive.

A mysterious new villain called Trident appears and starts stealing nuclear waste from ships. The Titans go to investigate and meet a new hero, Aqualad. This new hero causes Beast Boy to become very competitive.

A thief called Red X, who knows the Titans’ every weakness, shows up. Every time the Titans try to catch him, they are badly defeated. Meanwhile, Robin - who has been obsessed with capturing Slade - isolates himself more and more from the team.

The Titans awake to find themselves captured as prisoners of Mad Mod, a madcap bad guy in a psychedelic suit. Mad Mod has decided to teach the teens a lesson, creating a massive mind-bending school full of optical illusions and brain-washing hypno-screens. Will the Titans be "re-educated" and lose their minds in the process?

Slade threatens to use a chronoton detonator, a device which can destroy the entire city if triggered. While Robin goes after Slade, the other Titans try to disarm the detonator. But then it turns out that Slade has other aims in mind than the destruction of the city.

The Titans can’t find a trace of Robin and start getting worried - that is, until they catch him red handed robbing a facility as Slade’s apprentice. After being defeated by Robin, the Titans are sure he has become a criminal. In truth, the life of a villain comes at an even more bitter price for Robin himself.

Cyborg has finally finished his 'baby', the T-Car. But after a battle with Overload his car disappears. It successively ends up in the hands of two bad guys called Cash and Sammy, then Gizmo, and finally Overload, the last of which forces Cyborg to make a painful decision.

Starfire is trying to commemorate the Tamaranean holiday Blorthog, the festival of friendship, when Warp, a villain from the future, comes back in time to steal an antique. When Starfire charges at him, she finds herself stranded in the future and finds that much has changed for her friends ... and only for the worse.

Being ignored by his busy teammates, Beast Boy feels left out, so he wanders the town eventually turning into a green dog. To his surprise he crashes into another green dog that is being pursued by a flying saucer. The saucer picks Beast Boy up by mistake, and its owner gives Beast Boy more attention than he would like.

The Titans spot a young girl being chased by a giant scorpion-like creature and prepare to rescue her, only to see that the girl possesses tremendous powers and was merely luring the scorpion into a trap. She reveals her name to be Terra, and she has the power to control the earth and all of its forms. However, she has a terrible secret, and Slade shows interest in her.

When Cyborg beats a robot named Atlas in an online video game, he challenges Cyborg to a real, physical fight; a fight Cyborg loses due to Atlas having lesser limits on his strength. Atlas then kidnaps Robin, Starfire, Raven, and Beast Boy as his prize and challenges Cyborg to a rematch where his friends’ lives are at stake.

The Titans pick up a horror movie called Wicked Scary. After watching it, they are scared out of their wits, although Raven refuses to admit this to the others. During the night, strange things start to happen in the Tower.

When Killer Moth threatens the city with his army of moths, Robin has no choice but to agree to his demand; He is forced to take his bratty and spoiled daughter Kitten to her junior prom much to Robin's dismay and Starfire's jealousy.

Starfire wakes up one day to discover a huge lump on her forehead. But this is only the start of a bizarre string of transformations affecting her - changes that interest a highly hostile creature very much.

Terra is ready to join the team after getting the chance to practice her powers, However, other members of the team wonder if they have made a huge mistake. Raven doesn't want Terra back. Can Terra prove to the team that she can be trusted with her powers?

This episode shows Robin wanting to be a big shot winner. When he, Cyborg, and Beast Boy are transported to another land, along with Gizmo, Wildebeest, Hot Spot, Aqualad, and Speedy, Robin finally has his chance. As the players battle, The Master of Games takes the losers powers. It will take Robin to figure out Winning isn't everything to save the day

Terra and Beast Boy are finally kicking up a notch when they go out on a date. But while they were out, someone let Slade's army into Titans Tower. But when Beast Boy and Terra just about kiss, Slade ruins the romance. Slade lets out the news that Terra is his apprentice, making for a very unhappy Beast Boy. Finally, he turns his back on Terra, letting her go with Slade.

When Robin accidentally wrecks his R-Cycle while pursuing a nasty thug named Johnny Rancid, he winds up with his arm in a cast and doubt in himself. The good news is he gets a visit from his number one fan, a short little weirdo name Larry the Titan. The bad news is Larry's reality-bending powers than they can fix. Can Robin get his nerve back and take down Johnny Rancid before Larry's "help" breaks the fabric of time and space and destroy reality as we know it?

Terra returns with a vengeance, Meanwhile, Slade gives orders to Cinderblock, Overload, and Plasmus to launch a series of sinister strikes all over the city. Can our heroes stop the three villianous monsters, Slade, and Terra? Or will the Teen Titans be destroyed?

Terra finds out that the Titans are not easily destroyed, when they come back and nearly defeat her. Slade sends Ternion (a combination of Overload, Plasmus, and Cinderblock) while he beats Terra up for running away. When the Titans see how sorry Terra is and the torture Slade is doing to her, will they forgive her? Or will they follow out with their plans and destroy her?

When the H.I.V.E. shows up causing havoc, the Titans get straight to the job. Unfortunatley, they escape, but Robin was able to plant a locator device onto Jynx just in time. The Titans send Cyborg - disguised as a strong man known as ""Stone"" - to infilitrate the H.I.V.E. academy and find out what they're up to.

There's a new thief in town - Robin's former evil alter ego, Red X. Robin feels that this is all his fault, and must stop X from getting a dangerous powerful chemical known as synovium that will power him up. Robin stops at nothing to catch his former evil alter ego - but it turns out that there may be a even bigger villianious plot in the mists.

The Grand Ruler of Tamaran has arranged for Starfire to be married during the Teen Titans' visit to Tamaran. Robin has a hard time believing that Starfire is to marry someone she hasn't met or known.

When Beast Boy mistakes Cyborg's system recharger for a video game, he accidentally infects it with a nasty computer virus. The virus quickly spreads to Cyborg himself causing the half-teen/half-machine to go haywire, and the only way to stop the virus is to shrink down to microscopic size and go on a fantastic voyage inside Cyborg. Does Amoeba Beast Boy have the brains to fix Cyborg's brains before a crazed Cyborg destroys the city?

Ever since the Titans' final confrontation with Slade, Robin has been haunted by one question: Is Slade really gone? And after Cinderblock escapes from jail, Robin finally gets his answer when he sees Slade. Robin pursues Slade, fiercely determined to stop his nemesis once and for all.

Raven has always been lonely at the Tower, despite the other Titans. But that all changes when Raven discovers a young magician trapped inside one of her books.

The Titans' Fourth of July festivities are interrupted when Mad Mod comes to the party uninvited, declaring the American Revolution a hoax and reclaiming the city for jolly old England. To make matters worse, old Mad Mod steals Robin's youth. Can the remaining Teen Titans devise a plan to take back their city and save their leader?

Brother Blood is back, and this time, it's personal. Cyborg learns that Blood stole his blueprints--and the villain is using Cyborg's technology to create a doomsday device. Can Cyborg take charge of the team and lead a mission to stop his archenemy?

When Beast Boy begins turning into an angry, aggressive Man Beast against his will, the Titans must try to save themselves from their savage friend.

Starfire adopts a weird mutant silkworm named Silkie as a pet, but when she feeds him some alien food from Tamaran, Silkie has an unexpected--and monstrous--growth spurt. Can Starfire still keep her beloved worm?

The Amazing Mumbo is up to his old tricks. When the Teen Titans try to stop the madcap magician in mid-performance, Mumbo pulls a fast one. With a wave of his wand, he sucks the Titans into his hat where our heroes discover a strange magical world of weirdness.

Cyborg has a final showdown with Brother Blood, and a new branch of the Titans team is created. Titans East is a different tower in a new city with five new members: Aqualad, Bumblebee, Speedy and a pair of high-speed twins known as Mas Y Menos. Part one of a two-part episode.

The final battle continues between Cyborg and Brother Blood as well as the creation of a new branch of Titans.

Control Freak has escaped from prison and brought the Titans into his TV world. The Titans must track him down through the diffrent channels of television while he gets more powerful with all the TV show related powers he gets.

When Robin is defeated by the malicious martial artist Kitarou, our hero decides that if he wants to be the best -- he needs more training. So he embarks on a difficult quest to seek a mysterious, legendary teacher known only as... The True Master.

It's Raven's birthday, but she is far from wanting to celebrate. But before Robin can learn why, the Titans receive a distress call and go to check it out. When they get there, they are greeted by none other than Slade, back from the dead. But Slade seems to have new powers along with a strange red mark on his head and he has a message for Raven that he is going to deliver, no matter what.

Cyborg is mysteriously thrown into the distant past and lands in the middle of a barbarian village that needs his help. But with the nearest charging station 5,000 years in the future, Cy has no way to recharge, and his power supply is dwindling.

Beast Boy has only one real dream in life -- to someday, somehow own a Moped. And when Robin won't buy him one and Cyborg won't build him one, Beast Boy has only one way to make his dream come true he has to get a job. However, when he goes to work at a new restaurant called ""Mega Meaty Meat"" for a strange man named Bob, he soon realizes all is not what it seems.

A brave hero from outer space called Val-Yor comes to Earth, and asks for the Titans help in defeating an otherworldly menace known as The Locrix. But according to Val-Yor, Starfire may be the real problem...

Ever since Slade's return, the Titans have been searching high and low for answers, including looking for theories as to the 'S' mark on his forehead. However, Raven knows why he's back, and the Titans are about to discover the truth themselves after Slade launches another attack.

An exciting battle on a distant space station ends with a tremendous explosion that blows the T-Ship apart -- and sends the Titans flying off in five different directions to crashland on a strange alien world.

Wishing to get the most he can out of his time, Cyborg installs a special Max-7 chip into his head which throws him into overdrive, allowing him to do a lot of things, very fast. But when the self-copying Billy Numerous starts stealing everything in town, even the Max-7 may not be enough to stop him.

The strange Mother Mae-Eye has taken the Titans on as her children and turned the tower into a massive gingerbread house. But even below her initial weirdness, she just keeps getting weirder.

The day has finally come. Raven is destined to end the world on this day. Trigon will come by sunset. But not if the Titans have anything to say about it. They place Raven in a safe room while they take on an army of flame creatures and Slade who is determind to take Raven to the Trigon. But Raven knows the horrible truth. No matter what the Titans do, there is no escaping her destiny.

Robin, Starfire, Cyborg, and Beast Boy awake to a nightmare. Trigon has risen and he has ended the world. Every building is destroyed, and all life has been turned to stone. Due to one last gift of Raven's, the Titans have survived. Now, they must find a way to get Raven back, maybe she knows of a way to stop Trigon. But to do this, the Titans will have to accept help from their old enemy - Slade.

The stars are aligned. The sun is in eclipse. All of Slade's labors are about to reach fruition -- and the Titans are about to face their greatest challenge ever. But is there really any hope of preventing the end of the world?

When Beast Boy's former team, The Doom Patrol, is in trouble, the Titans must embark on a daring mission to save them. Beast Boy explains that this can only mean one thing: the Doom Patrol's greatest foes are back. The Brotherhood of Evil has returned.

The Doom Patrol has been saved, but the sinister Brotherhood of Evil is still on the loose. It's just like old times for Beast Boy when he finds himself back on the team for one last mission - to stop the Brotherhood once and for all... no matter what the cost.

The Brotherhood of Evil has begun its master plan to eliminate all of the young superheroes around the globe, starting with honorary Titans Wildebeest and Hotspot. This new threat brings Robin to Morocco. But with an unknown enemy, how can anyone know who to trust?

Control Freak returns to Titan Tower with "The Ultimate Titans Challenge," a series of events designed specifically to challenge the Teen Titans. But what happens to Control Freak's big plan when he finds himself facing not the "real" Titans -- but the Titans East?

While battling a mysterious creature in the wilds of Siberia, Starfire is lost in a blinding snowstorm. A reclusive young soldier named Red Star comes to her aid and the two become fast friends. When Robin and the rest of the Titans arrive, they discover Red Star hides not only a tragic past, but a destructive secret.

While in the Arctic Circle, the Teen Titans once again take on Dr. Light. And when an accident sends the Titans through the ice, they discover a new exotic Underworld --and two new superheroes, Kole and her caveman sidekick Gnarrk.

With the other Teen Titans off fighting exciting battles with the Brotherhood of Evil, Raven is left with the worst task of all -- transporting three rambunctious future superheroes to safety. But this simple task turns into an adventure in babysitting as Raven and her young charges are chased through the Alps by the Brotherhood of Evil's Msr. Mallah.

With Titans dispatched across the globe, members of the HIVE FIVE figure they have it made. Unfortunately their city-wide crime spree is cut short when a new hero in town spoils the fun. Handing him over to the BROTHERHOOD OF EVIL may score the Hive Five points, but actually catching this lightning-fast do-gooder is much harder than it seems.

Robin's most prized possession is stolen by the hip hot-rodder, Ding Dong Daddy, and to get it back they're going to have to beat him in a cross-country road race. But with Ding Dong Daddy making the rules and a few unexpected rivals joining in the competition, it's anyone's guess who will cross the finish line first.

How did Robin meet Starfire? What was Beast Boy's first joke? Why did Cyborg build his Sonic Cannon? When did Raven first call the Titans her friends? Return to the very beginning and see how it all started - from the word ""GO!""

The final game has begun. While the Titans are spread out throughout the globe on one last mission, Brotherhood mastermind, the Brain, makes his move. Robin has a strategy of his own, but as all the villains begin taking down all the superheroes all at once, will it be enough to save his friends?

All seems lost for young heroes across the globe: they have been spread far and wide, their lines of communication have been severed, and one by one, the Brotherhood of Evil takes them down. But as The Brain claims his victory is assured, one brave hero manages to slip thorough the Brotherhood of Evil's grasp: Beast Boy.

After months of fighting the Brotherhood of Evil around the globe, the Teen Titans are finally back home. But a walk through the city reveals that things are no longer as they remembered. And while Beast Boy wants everything to be just like it was in the past, he has to face the fact that in life things change.